The story
From French Grandidier + -ite; named after French naturalist and explorer Alfred Grandidier (1836–1921).
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: An orthorhombic-dipyramidal bluish green mineral containing aluminum, boron, iron, magnesium, oxygen, and silicon. Full definition →
From French Grandidier + -ite; named after French naturalist and explorer Alfred Grandidier (1836–1921).
Etymology from Wiktionary, CC BY-SA 4.0.